PK75289: IBM Rational ClearCase ?cleartool rmview? can cause a race condi tion with terminating view_server process on removal

APAR status

• Closed as program error.

Error description

• IBM Rational ClearCase ?cleartool rmview? can cause a race condi
  tion within the terminating view_server process on removal of th
  e view.
  
  
  UNIX All
  ClearCase 7.0.x
  
  
  To Reproduce:
  
  1)  Create a ClearCase dynamic view:
  
  /usr/atria/bin/cleartool mkview -tag race-condition /ccstg/views
  /race-condition.vws
  Created view.
  Host-local path: ccserver:/ccstg/views/race-condition.vws
  Global path:     /net/ccserver/ccstg/views/race-condition.vws
  It has the following rights:
  User : ccuser   : rwx
  Group: games    : r-x
  Other:          : r-x
  
  
  2)  Immediately remove the view:
  
  /usr/atria/bin/cleartool rmview /ccstg/views/race-condition.vws
  
  
  3)  Tail the view_log, and the error will be seen:
  
  view_server(*****): Ok: View server addr = 0, port= 48322
  view_server(*****): Ok: View server addr = 0, port= 37438
  view_server(*****): Ok: Db initialized
  view_server(*****): Ok: Using 512000 bytes of cache
  view_server(*****): Ok: Using view /ccstg/views/race-condition.v
  ws, on host: ccserver
  view_server(*****): Ok: Db initialized
  view_server(*****): Ok:
  view_server(*****): Ok: *** db_VISTA database error -905 - error
   opening file
  view_server(*****): Ok: could not locate view database component
   (op 'D_SYNCFILES')
  view_server(*****): Ok: exiting, status = 1008
  view_server(*****): Ok: Db closed
  
  
  Workaround:  Do not remove the view immediately after creation.
  

Local fix

Problem summary

• BM Rational ClearCase ?cleartool rmview? can cause a race
  condition within the terminating view_server process on
  removal of the view.
  

Problem conclusion

• A fix is available in ClearCase versions 7.0.0.6, 7.0.1.5
  and 7.1.0.2
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  CLEARCASE UNIX

• Fixed component ID

  5724G2901

Applicable component levels

• R700 PSN

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